Caucasian in British

any of three possibly related families of languages spoken in the Caucasus: North-West Caucasian, including Circassian and Abkhaz, North-East Caucasian, including Avar, and South Caucasian including Georgian

▶ USAGE The word Caucasian is very widely used in the US to refer to people of European origin or people who
are White, even though the original classification was broader than this